212012110012001 has 16 divisors (see below), whose sum is σ = 228851724777984. Its totient is φ = 195248772359424.

The previous prime is 212012110011973. The next prime is 212012110012049. The reversal of 212012110012001 is 100210011210212.

It is a cyclic number.

It is not a de Polignac number, because 212012110012001 - 2³⁰ = 212011036270177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212012110012501) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3304670 + ... + 20855336.

It is an arithmetic number, because the mean of its divisors is an integer number (14303232798624).

Almost surely, 2^{212012110012001} is an apocalyptic number.

It is an amenable number.

212012110012001 is a deficient number, since it is larger than the sum of its proper divisors (16839614765983).

212012110012001 is a wasteful number, since it uses less digits than its factorization.

212012110012001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17552840.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 212012110012001 its reverse (100210011210212), we get a palindrome (312222121222213).

The spelling of 212012110012001 in words is "two hundred twelve trillion, twelve billion, one hundred ten million, twelve thousand, one".